Mathematics, 28.01.2020 05:31, gogo16732

Against the wind a commercial airline in south america flew 630 miles in 3.5 hours. with a tailwind the return trip took 3 hours. what was the speed of the plane in still air? what was the speed of the wind?

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Against the wind a commercial airline in south america flew 630 miles in 3.5 hours. with a tailwind...